Deadliest Catch (8pm, Discovery) - In two episodes, ice creates problems on the opilio-crab grounds, prompting some captains to leave, and one of the vessels suffers a blackout.
Tyler Perry's For Better or Worse (9pm, TBS) - In the Season 2 opener, questions about fidelity still plague Marcus and Angela's relationship, and Tyrik lands a job renovating the salon.
The Ricky Gervais Show (9pm, HBO) - Topics in the Season 3 finale include Karl's thoughts on the insect world and his diary entries about cutting avocados.
John Leguizamo's Tales from a Ghetto Klown (10pm, UNC-TV) - Actor-playwright John Leguizamo's rise to success is chronicled in this profile, which features remarks from him, his family and friends. The documentary also examines his decision to take his one-man Broadway play, "Ghetto Klown," to his native Colombia.
Common Law (10pm, USA) - Wes and Travis investigate a cop's shooting and take care of the injured officer's police dog.
Louisiana Lockdown (10pm, Animal Planet) - Slater's marriage ends after 10 years, making him a single father. Meanwhile, an inmate prepares for his first rodeo and a former champion is ready to ride again.
Chasing UFOs (10pm, NGC) - Ryder, Ben and james visit the alleged UFO crash site in Roswell, New Mexico.